Optical measuring device, measuring method and application of optical measuring device on glass insulator

Abstract

The invention discloses an optical measuring device, a measuring method and application of the optical measuring device to a glass insulator, and relates to the technical field of glass insulator detection.The optical measuring device comprises a machine table, a machine cover is fixedly installed at the left side position of the top end of the machine table, and two side shafts which are symmetrical front and back are rotatably installed on the outer wall of one side of the machine cover; one end of each side shaft extends into the hood and is fixedly provided with a left chuck, and a main shaft is rotationally mounted on the outer wall of the hood between the two side shafts. According to the invention, the driven belt wheel traction structure drives the Y-direction adjustable double-station optical measurement mechanism to move in the axial direction of the glass insulator string, so that the glass insulator string completes optical measurement by the Y-direction adjustable double-station optical measurement mechanism which continuously and axially moves while rotating; therefore, through a synchronous motion phase structure of autorotation of the insulator string and Y-direction adjustable double-station axial movement, optical shielding limitation is broken through, and full-surface dynamic scanning of the glass insulator string is realized.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of glass insulator detection, in particular to an optical measuring device, a measuring method and application thereof on glass insulators. BACKGROUND

[0002] The optical measuring device is mainly used for high-precision detection of surface defects of the insulator during the processing and sampling inspection of the glass insulator, to ensure product quality. The working principle is to irradiate the surface of the insulator by a stable light source, capture high-quality images by an imaging system, and automatically identify defects such as cracks, bubbles and scratches by combining with image processing software. During the detection process, the device can adopt multi-angle and multi-light-source imaging mode to comprehensively obtain the surface information of the insulator. After preprocessing, intelligent algorithms are used for defect analysis and judgment, so as to realize efficient and accurate defect identification. Since the optical detection has the advantages of non-contact, non-destructive and fast, the detection efficiency can be greatly improved, human errors can be reduced, and it is ensured that each insulator meets the quality standard. This technology is not only suitable for the detection of single insulator, but also can detect the whole insulator string, to meet the needs of batch production. Through automatic image analysis, the accurate positioning and classification of defects can be realized, to provide reliable basis for quality traceability in the production process. As disclosed in a kind of glass insulator glass piece crack detection method and system of announcement number for CN109187551B, including determining the distance of CCD camera and the glass piece of the glass insulator to be measured;First CCD camera shoots the position data of the multiple frame overhead image of the glass insulator to be measured and synthesizes the overhead image of the glass insulator to be measured, determines the gray scale of overhead image;Determine whether the glass insulator to be measured exists crack according to overhead image;Second CCD camera shoots the position data of the multiple frame overhead image of the glass insulator to be measured and synthesizes the side view image of the glass insulator to be measured, determines the gray scale of side view image, which uses the principle that polarized light crosses glass crack and causes refraction to carry out glass crack detection, and cooperates with multi-angle all-around light source distribution and image acquisition, however the above technical scheme mainly relies on the relative position and angle of view of camera and measured object when measuring glass insulator string with certain length, single camera is usually arranged at one side of insulator string to ensure that clear, complete surface image can be obtained, this arrangement can more conveniently capture the main surface information of insulator string in actual operation, but at the same time, it also brings significant limitations, the main reason is that the geometric structure of insulator string determines that its surface has multiple peripheral surfaces, including front surface, back surface and side surface etc., due to the angle of view limitation of optical imaging device, single camera is difficult to cover all peripheral surfaces simultaneously, and the reflection angle of curved glass to light source is variable, part of area (such as back light surface) presents dark area due to that reflected light cannot enter camera lens, leading to image information loss, especially those located in the back of camera sight or side surface deviates more area, in order to make up for the deficiency of single camera, it is usually necessary to increase the arrangement number of CCD camera, uses multiple point or multiple angle cameras to shoot insulator string from different directions simultaneously, but multiple camera system needs more hardware investment, including camera, light source, support and synchronous control system, which will significantly increase the overall investment cost, secondly, arranging multiple cameras puts forward higher requirements for space layout and optical debugging, i.e. the angle, focal length and illumination condition of each camera need to be accurately adjusted to ensure the clarity and consistency of image, which not only increases the complexity of debugging, but also leads to subsequent cumbersome use, maintenance and adjustment of device. SUMMARY

[0003] The optical measuring device, the measuring method and the application thereof on the glass insulator are provided, the glass insulator string to be optically measured is clamped by the left chuck and the right chuck in the tail rotating support mechanism respectively, the side shaft and the left chuck and the glass insulator string are driven to rotate by the reduction motor, the main shaft and the gear reduction transmission structure, the main shaft also transmits power to the driven pulley pulling structure in the process, the Y adjustable double-station optical measuring mechanism is driven to move in the axial direction of the glass insulator string by the driven pulley pulling structure, so that the glass insulator string is continuously axially moved by the Y adjustable double-station optical measuring mechanism to complete optical measurement, thereby solving the problems in the background art.

[0004] To achieve the above object, the present application provides the following technical scheme: an optical measuring device, comprising: A machine table, a machine cover is fixedly installed at the left side position of the top end of the machine table, two front and rear symmetrical side shafts are rotatably installed on one side of the outer wall of the machine cover, one end of the side shaft extends to the inside of the machine cover and is fixedly provided with a left chuck, a main shaft is rotatably installed on the outer wall of the machine cover between the two side shafts, a gear reduction transmission structure for maintaining power connection is installed between the main shaft and the side shaft, a reduction motor for driving the machine cover to rotate is installed on one side of the outer wall of the machine cover, and a tail rotating support mechanism is arranged at the other side of the top end of the machine table, and a right chuck coaxial with the left chuck is installed on the moving end of the tail rotating support mechanism. A driven pulley pulling structure is installed on the upper surface of the machine table, a bevel gear right-angle transmission structure for maintaining power connection is installed between the input shaft of the driven pulley pulling structure and the main shaft, a Y adjustable double-station optical measuring mechanism for optically measuring the glass insulator string clamped between the left chuck and the right chuck is installed on the moving end of the driven pulley pulling structure, and a PLC control panel electrically connected with the reduction motor and the input end of the tail rotating support mechanism is installed on one side of the surface of the machine cover.

[0005] Preferably, the gear reduction transmission structure comprises a driving gear fixed on one end of the surface of the main shaft, a reduction gear disc fixed on one end of the surface of the side shaft, and a second gear shaft and a third gear shaft rotatably installed on the outer wall of the machine cover between the main shaft and the side shaft, and the driving gear, the second gear shaft, the third gear shaft and the reduction gear disc are sequentially engaged.

[0006] Preferably, the driven pulley pulling structure comprises a pulley pulling structure installed at the top end of the machine table and a sliding plate installed on the moving end of the pulley pulling structure, the Y adjustable double-station optical measuring mechanism is installed at the top end of the sliding plate, and power transmission is achieved between one of the synchronous pulleys of the pulley pulling structure and the main shaft through the bevel gear right-angle transmission structure.

[0007] Preferably, the bevel gear right angle transmission structure comprises a driven bevel gear mounted at the top end of one of the synchronous wheels and a driving bevel gear fixed at the other end of the main shaft, and the driving bevel gear and the driven bevel gear are in mesh with each other.

[0008] Preferably, the Y-direction adjustable double-station optical measurement mechanism comprises Y-axis air cylinders mounted at the top end of the sliding plate, T-shaped sliding seats fixed at the top end of the Y-axis air cylinders, slope seats fixed at one side of the top end of the T-shaped sliding seats, and T-shaped inverted frames fixed on one side of the outer wall of the slope seats, the inside of the T-shaped inverted frame is provided with an optical lens of a contact angle measuring instrument, and the input end of the Y-axis air cylinder is electrically connected with the output end of the PLC control panel.

[0009] Preferably, one side of the outer wall of the T-shaped inverted frame is provided with a supporting plate, and two symmetrical light supplementing lamps are mounted on the outer wall of the supporting plate, and the input end of the light supplementing lamp is electrically connected with the output end of the PLC control panel.

[0010] Preferably, the tail rotating support mechanism comprises a flat plate mounted on the top of the machine table, a U-shaped sliding frame slidingly mounted on the lower surface of the flat plate, and an X-axis air cylinder mounted on the lower surface of the flat plate, the top end of the piston rod of the X-axis air cylinder is fixedly connected with the top end of the U-shaped sliding frame, for pulling the U-shaped sliding frame to slide in the Y-axis direction, the top end of the U-shaped sliding frame penetrates upward to the outside of the machine table and is provided with a support, and the right chuck is mounted on one side of the outer wall of the support.

[0011] Preferably, the top end of the machine table is provided with two rectangular hollow grooves for the U-shaped sliding frame to slide, the lower surface of the flat plate is fixedly provided with two circular tracks through the convex seat, and the U-shaped sliding frame and the two circular tracks are in sliding fit.

[0012] The application also provides an optical measurement method, and the optical measurement device described above, comprising the following steps: S101: setting the length of the insulator string, the standard rotating speed and the axial scanning stroke on the PLC control panel, then inserting the left end of the insulator string into the left chuck, turning the left chuck locking handle to ensure firm clamping in the radial direction, then moving the tail rotating support mechanism to the position corresponding to the right end of the insulator string, adjusting the right chuck and locking the right end of the insulator string, manually controlling the Y-direction adjustable double-station optical measurement mechanism to align the lens center with the surface of the umbrella skirt of the first section of the insulator string, turning on the illumination part at the same time, adjusting the brightness to eliminate the mirror reflection interference, and turning off the strong light source in the field environment to avoid the influence of stray light on imaging; S102: Start the operation of the speed reducer motor through the PLC control panel, the driving shaft of the speed reducer motor directly drives the main shaft to rotate and drives the driven pulley to pull the structure to pull the Y-adjustable double-station optical measurement mechanism to move at a constant speed along the axial direction of the insulator string, and the rotary power of the main shaft is also transmitted to the side shaft through the gear reduction transmission structure, the side shaft drives the left chuck, the insulator string and the right chuck to rotate at a constant speed, at this time, the rotation of the insulator string and the axial movement speed ratio of the Y-adjustable double-station optical measurement mechanism are matched, forming a non-overlapping spiral scanning track, the surface of the insulator string is continuously photographed by the Y-adjustable double-station optical measurement mechanism, each frame of image is associated with the current position encoder data, and the PLC control panel automatically labels the photographed area and extracts the linear dark area of suspected cracks and the circular patch of bubbles, and labels the defect size, position and confidence. S103: After the Y-adjustable double-station optical measurement mechanism reaches the axial stroke end point, the PLC control panel turns off the speed reducer motor, at this time the main shaft stops rotating, the insulator string is taken out from between the left chuck and the right chuck, and subsequent quality detection or data analysis is carried out.

[0013] The application also provides an application of optical measurement on a glass insulator, comprising the optical measurement device.

[0014] Compared with the prior art, the application has the beneficial effects that: the optical measurement device, the measurement method and the application of optical measurement on a glass insulator are provided with a PLC control panel, a speed reducer motor, a main shaft, a side shaft, a gear reduction transmission structure, a left chuck, a tail rotating support mechanism, a right chuck and a Y-adjustable double-station optical measurement mechanism, etc. The glass insulator string to be measured is clamped by the left chuck and the right chuck in the tail rotating support mechanism, the side shaft and the left chuck, the glass insulator string are driven to rotate by the speed reducer motor, the main shaft and the gear reduction transmission structure, and the power is transmitted to the driven pulley pulling structure by the main shaft, the Y-adjustable double-station optical measurement mechanism is moved in the axial direction of the glass insulator string by the driven pulley pulling structure, so that the glass insulator string is continuously axially moved by the Y-adjustable double-station optical measurement mechanism while rotating, and the optical measurement is completed, thereby breaking through the optical shielding limit through the synchronous movement of the rotation of the glass insulator string and the axial movement of the Y-adjustable double-station, and realizing the full-surface dynamic scanning of the glass insulator string. Wherein the rotation of the glass insulator enables the Y-adjustable double-station optical measuring mechanism to capture the surface details of the insulator string from multiple angles, especially the edges, cracks or defects that are difficult to detect through a single view, while the synchronous axial movement of the Y-adjustable double-station optical measuring mechanism ensures that the insulator string continuously passes through the measuring area during the rotation, avoiding the blind spots or dead angles that may occur in traditional detection, so that the measuring device can obtain the complete surface information of the insulator string in a short time, significantly improving the comprehensiveness and accuracy of the detection; secondly, combined with the design of the Y-adjustable double-station optical measuring mechanism, the speed and position of the axial movement can be dynamically adjusted according to the length, shape or detection requirements of the insulator string, ensuring that each area can obtain the best imaging conditions, facilitating the universality and adaptability of different specifications of the insulator string, reducing the debugging time and maintenance cost of the device, and the rotation driven by the reduction motor, main shaft and gear reduction transmission structure and the axial movement driven by the driven pulley pulling structure realize the coordination and unity of the movement, synchronous control avoids image distortion or detection errors caused by asynchronous movement, ensuring the reliability and consistency of the detection data; Finally, since the insulator string rotates and the Y-adjustable double-station optical measuring mechanism moves axially at the same time, the coverage area of the detection area is greatly increased, reducing the need for multiple repeated scanning, which not only improves the detection speed, but also enhances the overall measurement capacity of the production line. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a schematic diagram of the front view of the structure of the present application; Figure 2 is a schematic diagram of the structure of the present application Figure 1 ; Figure 3 is a schematic diagram of the structure of the present application Figure 2 ; Figure 4 is a schematic diagram of the structure of the present application Figure 5 is a schematic diagram of the structure of the present application Figure 6 is a schematic diagram of the structure of the present application Figure 7 is a schematic diagram of the structure of the present application Figure 8 is a schematic diagram of the structure of the present application

[0016] In the figure: 1. Machine table; 2. Machine cover; 3. Speed ​​reduction motor; 4. Side shaft; 5. Gear reduction transmission structure; 501. Driving gear; 502. Secondary gear shaft; 503. Tertiary gear shaft; 504. Speed ​​reduction gear plate; 6. Main shaft; 7. Left chuck; 8. Driven pulley traction structure; 801. Slide plate; 802. Pulley traction structure; 803. Bevel gear right-angle transmission structure; 9. Y-adjustable double-station optical measuring mechanism; 901. Y-axis cylinder; 902. T-type slide; 903. Slope seat; 904. T-type inverted frame; 905. Contact angle measuring instrument optical lens; 906. Support plate; 907. Fill light; 10. Tail turn support mechanism; 1001. Flat plate; 1002. U-type slide; 1003. X-axis cylinder; 1004. Support; 1005. Right chuck; 11. PLC control panel. DETAILED DESCRIPTION

[0017] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0018] Embodiment 1, by Figures 1 to 4 The present invention includes a machine 1, a hood 2 is fixedly installed at the left position of the top of the machine 1, and two front-to-back symmetrical side shafts 4 are rotatably installed on the outer wall of one side of the hood 2, one end of the side shaft 4 extends to the interior of the hood 2 and is fixed with a left chuck 7, a main shaft 6 is rotatably installed on the outer wall of the hood 2 between the two side shafts 4, a gear reduction transmission structure 5 for maintaining power connection is installed between the main shaft 6 and the side shaft 4, a reduction motor 3 for driving the hood 2 to rotate is installed on the outer wall of one side of the hood 2, a tail rotation support mechanism 10 is provided on the other side of the top of the machine 1, a right chuck 1005 coaxial with the left chuck 7 is installed on the moving end of the tail rotation support mechanism 10, the left chuck 7 and the right chuck 1005 are used to clamp and fix the insulator string to ensure that it does not deviate or vibrate during rotation and movement, at this time, good clamping force and positioning accuracy ensure that the insulator string is always in the predetermined position, avoiding the deviation in movement affecting the detection result; Under the control of the PLC control panel 11, the reduction motor 3 has the function of adjusting the movement speed and providing stable torque. Through the reduction transmission, the high-speed rotation electrical energy is converted into low-speed and high-torque mechanical movement, providing reliable power for the subsequent mechanical parts. At this time, the high speed regulation capability of the reduction motor 3 and the coordination of the gear reduction transmission structure 5 enable the insulator string to achieve smooth rotation and movement within the control range, avoiding measurement errors caused by mechanical vibration and excessive movement. The driven pulley pulling structure 8 is installed on the upper surface of the machine table 1, a bevel gear right angle transmission structure 803 for maintaining power connection is installed between the input shaft of the driven pulley pulling structure 8 and the main shaft 6, a Y direction adjustable double station optical measurement mechanism 9 for optical measurement of the glass insulator string clamped between the left chuck 7 and the right chuck 1005 is installed on the moving end of the driven pulley pulling structure 8, and a PLC control panel 11 electrically connected with the speed reducer motor 3 and the tail rotating support mechanism 10 input end is installed on one side of the surface of the machine cover 2.

[0019] An optical measurement method of the embodiment, like the optical measurement device described above, comprises the following steps: S101: Set the insulator string length, standard rotating speed and axial scanning stroke on the PLC control panel 11, then insert the left end of the insulator string into the left chuck 7, pull the left chuck 7 locking handle to ensure firm clamping in the radial direction, then move the tail rotating support mechanism 10 to the position corresponding to the right end of the insulator string, adjust the right chuck 1005 and lock the right end of the insulator string, manually control the Y direction adjustable double station optical measurement mechanism 9 so that the lens center is aligned with the umbrella skirt surface of the first section of the insulator string, turn on the illumination part at the same time, adjust the brightness to eliminate the mirror reflection interference, and turn off the strong light source in the field environment to avoid the influence of stray light on imaging; S102: Turn on the speed reducer motor 3 to work through the PLC control panel 11, the driving shaft of the speed reducer motor 3 directly drives the main shaft 6 to rotate and drives the driven pulley pulling structure 8 to pull the Y direction adjustable double station optical measurement mechanism 9 to move uniformly along the axial direction of the insulator string, and the rotating power of the main shaft 6 is also transmitted to the side shaft 4 through the gear reduction transmission structure 5, the side shaft 4 drives the left chuck 7, the insulator string and the right chuck 1005 to rotate uniformly at this time, the rotating speed of the insulator string matches the axial movement speed of the Y direction adjustable double station optical measurement mechanism 9, forming a non-overlapping spiral scanning track, the surface of the insulator string is continuously shot by the Y direction adjustable double station optical measurement mechanism 9, each frame of image is associated with the current position encoder data, and the PLC control panel 11 automatically labels the shooting area and extracts the linear dark area of suspected cracks and the circular patches of bubbles, labels the defect size, position and confidence; S103: After the Y direction adjustable double station optical measurement mechanism 9 reaches the axial stroke end point, the PLC control panel 11 turns off the speed reducer motor 3, at this time the main shaft 6 stops rotating, the insulator string is taken out from between the left chuck 7 and the right chuck 1005, and subsequent quality detection or data analysis is carried out.

[0020] In the second embodiment, on the basis of the first embodiment, Figure 5 , Figure 6 and Figure 7The gear reduction transmission structure 5 comprises a driving gear 501 fixed on one end of the surface of the main shaft 6, a reduction gear disc 504 fixed on one end of the surface of the side shaft 4, and a secondary gear shaft 502 and a tertiary gear shaft 503 rotatably installed on the outer wall of the housing 2 between the main shaft 6 and the side shaft 4. The driving gear 501, the secondary gear shaft 502, the tertiary gear shaft 503 and the reduction gear disc 504 are in meshing sequence. When the reduction motor 3 and the main shaft 6 drive the side shaft 4 and the left chuck 7 to rotate through the gear reduction transmission structure 5, the main shaft 6 drives the side shaft 4 and the left chuck 7 to rotate through the driving gear 501, the secondary gear shaft 502 and the tertiary gear shaft 503, so as to gradually reduce the high speed of the reduction motor 3 to the low speed required by the side shaft 4 and the left chuck 7, and to synchronously distribute the power. The driven type pulley traction structure 8 comprises a pulley traction structure 802 installed on the top end of the machine table 1 and a sliding plate 801 installed on the moving end of the pulley traction structure 802. The Y-direction adjustable double-station optical measurement mechanism 9 is installed on the top end of the sliding plate 801. One of the synchronous pulleys of the pulley traction structure 802 and the main shaft 6 are connected through a bevel gear right-angle transmission structure 803 for power transmission. The bevel gear right-angle transmission structure 803 comprises a driven bevel gear installed on the top end of one of the synchronous pulleys and a driving bevel gear fixed on the other end of the main shaft 6. The driving bevel gear and the driven bevel gear are in meshing relationship. The main shaft 6 drives the pulley traction structure 802 to work through the bevel gear right-angle transmission structure 803. The pulley traction structure 802 drives the sliding plate 801 and the Y-direction adjustable double-station optical measurement mechanism 9 to move along the axial direction of the insulator string, so that the Y-direction adjustable double-station optical measurement mechanism 9 completes the measurement of the entire insulator string. The Y-direction adjustable double-station optical measurement mechanism 9 comprises Y-axis air cylinders 901 installed on both sides of the top end of the sliding plate 801, a T-shaped sliding seat 902 fixed on the top end of the piston rod of the Y-axis air cylinder 901, a slope seat 903 fixed on one side of the top end of the T-shaped sliding seat 902, and a T-shaped inverted frame 904 fixedly installed on one side of the outer wall of the slope seat 903. A contact angle measuring instrument optical lens 905 is installed in the T-shaped inverted frame 904. The input end of the Y-axis air cylinder 901 is electrically connected with the output end of the PLC control panel 11. A support plate 906 is installed on one side of the outer wall of the T-shaped inverted frame 904, and two symmetrical light supplementing lamps 907 are installed on the outer wall of the support plate 906. The input end of the light supplementing lamp 907 is electrically connected with the output end of the PLC control panel 11. When the staff uses the Y-adjustable double-station optical measuring mechanism 9, they control the Y-axis cylinder 901 through the PLC control panel 11 to work. The Y-axis cylinder 901 drives the T-type slide 902, the slope seat 903, and the contact angle measuring instrument optical lens 905 to slide in the Y-axis direction to adjust the distance between the contact angle measuring instrument optical lens 905 and the insulator string, so as to be compatible with insulators of different umbrella diameters, ensure the best focal length and viewing angle, and facilitate continuous or intermittent movement along the axial direction under the drive of the driven pulley traction structure 8, covering different areas of the insulator surface and obtaining high-quality images from multiple angles and positions.

[0021] Example 3, based on Example 2, Figure 8 It is given that the tail rotation support mechanism 10 includes a flat plate 1001 installed on the top of the machine 1, a U-shaped slide 1002 slidably mounted on the lower surface of the flat plate 1001, and an X-axis cylinder 1003 mounted on the lower surface of the flat plate 1001. The top of the piston rod of the X-axis cylinder 1003 is fixedly connected to the top of the U-shaped slide 1002, which is used to pull the U-shaped slide 1002 to slide in the Y-axis direction. The top of the U-shaped slide 1002 extends upward to the outside of the machine 1 and is installed with a support 1004. The right chuck 1005 is installed on one side outer wall of the support 1004. The top of the machine 1 is provided with two rectangular hollow grooves for the U-shaped slide 1002 to slide. The lower surface of the flat plate 1001 is fixed with two circular rails through convex seats. The U-shaped slide 1002 and the two circular rails slide together, and the rectangular hollow grooves and circular rails improve the sliding stability of the U-shaped slide 1002. The X-axis cylinder 1003 drives the U-shaped slide 1002 and the two right chucks 1005 at the top of the U-shaped slide 1002 toward the left chuck 7 to adjust the clamping distance between the left chuck 7 and the right chuck 1005 to ensure that the insulator string is effectively supported.

[0022] The present invention also provides an application of optical measurement on glass insulators, allowing a Y-adjustable double-station optical measurement mechanism 9 to move continuously along the axial direction while the insulator string rotates, covering different areas of the insulator surface and obtaining high-quality images from multiple angles and positions.

[0023] In use, the embodiment of the present application first checks the state of the PLC control panel 11 to ensure normal power supply and communication, and at the same time, debugs the speed reducer 3, the main shaft 6, the side shaft 4, the gear speed reduction transmission structure 5 and the Y-direction adjustable double-station optical measurement mechanism 9 to ensure that the mechanical part is well lubricated, the transmission part has no abnormal noise, and the lens and illumination of the optical measurement part are clean and dust-free; the length of the insulator string, the standard speed and the axial scanning stroke are set on the PLC control panel 11, then the left end of the insulator string is inserted into the left chuck 7, the left chuck 7 locking handle is pulled to ensure firm clamping in the radial direction, then the tail rotating support mechanism 10 is moved to the position corresponding to the right end of the insulator string, the right chuck 1005 is adjusted and the right end of the insulator string is locked, at this time it is confirmed that the bearing of the tail rotating support mechanism 10 and the right chuck 1005 can rotate freely with the insulator string; the Y-direction adjustable double-station optical measurement mechanism 9 is manually controlled to make the center of its lens align with the surface of the umbrella skirt of the first section of the insulator string, at the same time the illumination part is turned on, the brightness is adjusted to eliminate the mirror reflection interference, and the strong light source in the field environment is turned off to avoid stray light affecting imaging; after the debugging is completed, the speed reducer 3 is started by the PLC control panel 11, the driving shaft of the speed reducer 3 directly drives the main shaft 6 to rotate and drives the driven type pulley pulling structure 8 to pull the Y-direction adjustable double-station optical measurement mechanism 9 to move axially along the insulator string at a constant speed, and the rotary power of the main shaft 6 is also transmitted to the side shaft 4 through the gear speed reduction transmission structure 5, the side shaft 4 drives the left chuck 7, the insulator string and the right chuck 1005 to rotate at a constant speed, at this time the rotation of the insulator string matches the axial movement speed ratio of the Y-direction adjustable double-station optical measurement mechanism 9, forming a non-overlapping spiral scanning track, during this process, the Y-direction adjustable double-station optical measurement mechanism 9 continuously shoots the surface of the insulator string, each frame of image is associated with the current position encoder data, and the PLC control panel 11 automatically labels the shooting area and extracts the linear dark area of suspected cracks and the circular patches of bubbles, labels the defect size, position and confidence, after the Y-direction adjustable double-station optical measurement mechanism 9 reaches the axial stroke end point, the PLC control panel 11 turns off the speed reducer 3, at this time the main shaft 6 stops rotating; the insulator string is taken out from between the left chuck 7 and the right chuck 1005 for subsequent quality detection or data analysis, during the taking-out process, it is handled with care to avoid damaging the surface of the insulator, at the same time the staff reviews the key defect images and confirms to paste the label to the insulator string.

[0024] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and illustrative figures, it should be apparent that the scope of the present application is not limited to these specific embodiments.

[0025] While the embodiments of the application have been shown and described herein, it will be understood by those skilled in the art that many changes, modifications, substitutions and alterations to these embodiments can be made without departing from the principles and spirits of the application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An optical measuring device, characterized in that: include: A machine (1), wherein a hood (2) is fixedly installed at the left position of the top of the machine (1), and two front-to-back symmetrical side shafts (4) are rotatably installed on the outer wall of one side of the hood (2), one end of the side shaft (4) extends to the inside of the hood (2) and is fixed with a left chuck (7), a main shaft (6) is rotatably installed on the outer wall of the hood (2) between the two side shafts (4), a gear reduction transmission structure (5) for maintaining power connection is installed between the main shaft (6) and the side shaft (4), a reduction motor (3) for driving the hood (2) to rotate is installed on the outer wall of one side of the hood (2), and a tail rotation support mechanism (10) is provided on the other side of the top of the machine (1), and a right chuck (1005) coaxial with the left chuck (7) is installed on the moving end of the tail rotation support mechanism (10); A driven pulley traction structure (8) is installed on the upper surface of the machine (1), a bevel gear right-angle transmission structure (803) for maintaining power connection is installed between the input shaft of the driven pulley traction structure (8) and the main shaft (6), a Y-axis adjustable double-station optical measurement mechanism (9) for optically measuring the glass insulator string clamped between the left chuck (7) and the right chuck (1005) is installed at the moving end of the driven pulley traction structure (8), and a PLC control panel (11) electrically connected to the input end of the reduction motor (3) and the tail support mechanism (10) is installed on one side of the surface of the machine cover (2).

2. An optical measuring device according to claim 1, characterized in that: The gear reduction transmission structure (5) comprises a driving gear (501) fixed to one end of the surface of the main shaft (6), a reduction gear disc (504) fixed to one end of the surface of the side shaft (4), and a secondary gear shaft (502) and a tertiary gear shaft (503) rotatably mounted on the outer wall of the hood (2) between the main shaft (6) and the side shaft (4). The driving gear (501), the secondary gear shaft (502), the tertiary gear shaft (503) and the reduction gear disc (504) are meshed in sequence.

3. The optical measuring device according to claim 1, wherein: The driven pulley traction structure (8) comprises a pulley traction structure (802) mounted on the top of the machine (1) and a slide plate (801) mounted on the movable end of the pulley traction structure (802); the Y-axis adjustable double-station optical measurement mechanism (9) is mounted on the top of the slide plate (801); and power is transmitted between one of the synchronous wheels of the pulley traction structure (802) and the main shaft (6) via a bevel gear right-angle transmission structure (803).

4. An optical measuring device according to claim 3, characterized in that: The bevel gear right-angle transmission structure (803) comprises a driven bevel gear mounted on the top end of one of the synchronous wheels and a driving bevel gear fixed to the other end of the main shaft (6), wherein the driving bevel gear and the driven bevel gear are meshed with each other.

5. The optical measuring device according to claim 3, wherein: The Y-axis adjustable double-station optical measuring mechanism (9) comprises a Y-axis cylinder (901) mounted on both sides of the top of the slide (801), a T-shaped slide (902) fixed to the top of the piston rod of the Y-axis cylinder (901), a slope seat (903) fixed to one side of the top of the T-shaped slide (902), and a T-shaped inverted frame (904) fixed to the outer wall of one side of the slope seat (903), wherein an optical lens (905) of a contact angle measuring instrument is mounted inside the T-shaped inverted frame (904), and an input end of the Y-axis cylinder (901) is electrically connected to an output end of a PLC control panel (11).

6. The optical measuring device according to claim 5, characterized in that: A support plate (906) is installed on one side outer wall of the T-shaped inverted frame (904), and two symmetrical fill-in lights (907) are installed on the outer wall of the support plate (906), and the input end of the fill-in lights (907) is electrically connected to the output end of the PLC control panel (11).

7. The optical measuring device according to claim 1, wherein: The tail rotation support mechanism (10) comprises a flat plate (1001) mounted on the top of the machine (1), a U-shaped slide (1002) slidably mounted on the lower surface of the flat plate (1001), and an X-axis cylinder (1003) mounted on the lower surface of the flat plate (1001). The top end of the piston rod of the X-axis cylinder (1003) and the top end of the U-shaped slide (1002) are fixedly connected and are used to pull the U-shaped slide (1002) to slide in the Y-axis direction. The top end of the U-shaped slide (1002) extends upward to the outside of the machine (1) and is mounted with a support (1004). The right chuck (1005) is mounted on an outer wall of one side of the support (1004).

8. The optical measuring device according to claim 7, characterized in that: The top of the machine (1) is provided with two rectangular hollow grooves for the U-shaped slide (1002) to slide, and the lower surface of the flat plate (1001) is fixedly mounted with two circular rails via convex seats, and the U-shaped slide (1002) and the two circular rails are slidably matched.

9. An optical measurement method, comprising the optical measurement device according to any one of claims 1 to 8, characterized in that: The following steps are involved: S101: Set the length of the insulator string, the standard speed and the axial scanning stroke on the PLC control panel (11), then insert the left end of the insulator string into the left chuck (7), turn the locking handle of the left chuck (7) to ensure radially secure clamping, then move the tail support mechanism (10) to the corresponding position of the right end of the insulator string, adjust the right chuck (1005) and lock the right end of the insulator string, manually operate the Y-axis adjustable double-station optical measurement mechanism (9) so that the center of its lens is aligned with the surface of the first section of the shed of the insulator string, and at the same time turn on the lighting part, adjust the brightness to eliminate the interference of mirror reflection, and turn off the strong light source in the on-site environment to prevent stray light from affecting the imaging; S102: The reduction motor (3) is turned on through the PLC control panel (11), and the driving shaft of the reduction motor (3) directly drives the main shaft (6) to rotate and drives the driven pulley traction structure (8) to pull the Y-axis adjustable double-station optical measuring mechanism (9) to uniformly translate along the axial direction of the insulator string, and the rotational power of the main shaft (6) is also transmitted to the side shaft (4) through the gear reduction transmission structure (5), and the side shaft (4) drives the left chuck (7), the insulator string and the right chuck (1005) to rotate at a uniform speed. At this time, the rotation of the insulator string matches the axial movement speed ratio of the Y-axis adjustable double-station optical measuring mechanism (9), forming a non-overlapping spiral scanning trajectory, and the Y-axis adjustable double-station optical measuring mechanism (9) continuously shoots the surface of the insulator string, and each frame of the image is associated with the current position encoder data, and the PLC control panel (11) automatically marks the shooting area, and extracts the linear dark area of ​​the suspected crack and the circular patch of the bubble, and marks the defect size, position and confidence; S103: After the Y-axis adjustable double-station optical measuring mechanism (9) reaches the end of the axial stroke, the PLC control panel (11) turns off the reduction motor (3), and the spindle (6) stops rotating. The insulator string is removed from between the left chuck (7) and the right chuck (1005) for subsequent quality inspection or data analysis.

10. An application of optical measurement on glass insulators, characterized in that: The optical measuring device comprises the optical measuring device according to any one of claims 1 to 8.

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